diff --git a/client/shaders/extract_bloom/opengl_fragment.glsl b/client/shaders/extract_bloom/opengl_fragment.glsl
index 281884cee..997b6ba2d 100644
--- a/client/shaders/extract_bloom/opengl_fragment.glsl
+++ b/client/shaders/extract_bloom/opengl_fragment.glsl
@@ -23,7 +23,12 @@ void main(void)
 	vec2 uv = varTexCoord.st;
 	vec3 color = texture2D(rendered, uv).rgb;
 	// translate to linear colorspace (approximate)
+#ifdef GL_ES
+	// clamp color to [0,1] range in lieu of centroids
 	color = pow(clamp(color, 0.0, 1.0), vec3(2.2));
+#else
+	color = pow(color, vec3(2.2));
+#endif
 
 	color *= exposureParams.compensationFactor * bloomStrength;
 
diff --git a/client/shaders/nodes_shader/opengl_fragment.glsl b/client/shaders/nodes_shader/opengl_fragment.glsl
index 639b658a5..537f8b4a7 100644
--- a/client/shaders/nodes_shader/opengl_fragment.glsl
+++ b/client/shaders/nodes_shader/opengl_fragment.glsl
@@ -39,14 +39,16 @@ varying vec3 vPosition;
 // cameraOffset + worldPosition (for large coordinates the limits of float
 // precision must be considered).
 varying vec3 worldPosition;
-varying lowp vec4 varColor;
 #ifdef GL_ES
+varying lowp vec4 varColor;
 varying mediump vec2 varTexCoord;
+varying float nightRatio;
 #else
+centroid varying lowp vec4 varColor;
 centroid varying vec2 varTexCoord;
+centroid varying float nightRatio;
 #endif
 varying highp vec3 eyeVec;
-varying float nightRatio;
 
 #ifdef ENABLE_DYNAMIC_SHADOWS
 #if (defined(ENABLE_WATER_REFLECTIONS) && MATERIAL_WAVING_LIQUID && ENABLE_WAVING_WATER)
diff --git a/client/shaders/nodes_shader/opengl_vertex.glsl b/client/shaders/nodes_shader/opengl_vertex.glsl
index 15a39565c..0f508dc6a 100644
--- a/client/shaders/nodes_shader/opengl_vertex.glsl
+++ b/client/shaders/nodes_shader/opengl_vertex.glsl
@@ -14,14 +14,17 @@ varying vec3 vPosition;
 // cameraOffset + worldPosition (for large coordinates the limits of float
 // precision must be considered).
 varying vec3 worldPosition;
-varying lowp vec4 varColor;
 // The centroid keyword ensures that after interpolation the texture coordinates
 // lie within the same bounds when MSAA is en- and disabled.
 // This fixes the stripes problem with nearest-neighbor textures and MSAA.
 #ifdef GL_ES
+varying lowp vec4 varColor;
 varying mediump vec2 varTexCoord;
+varying float nightRatio;
 #else
+centroid varying lowp vec4 varColor;
 centroid varying vec2 varTexCoord;
+centroid varying float nightRatio;
 #endif
 #ifdef ENABLE_DYNAMIC_SHADOWS
 	// shadow uniforms
@@ -44,7 +47,6 @@ centroid varying vec2 varTexCoord;
 varying float area_enable_parallax;
 
 varying highp vec3 eyeVec;
-varying float nightRatio;
 // Color of the light emitted by the light sources.
 const vec3 artificialLight = vec3(1.04, 1.04, 1.04);
 const float e = 2.718281828459;